TRM imagePRESS v900 series

Halftoning - screening family

Halftoning defines the screening method to use for text and for non-text.

Syntax

XPath: /JDF[contains(@Types="Screening")]/ResourcePool/ScreeningParams/ScreenSelector/@ScreeningFamily

Type

String

Syntax

XPath: /JDF[contains(@Types="Screening")]/ResourcePool/ScreeningParams/ScreenSelector/@SourceObjects

Type

Enumeration

Supported values

@ScreeningFamily	Description
Gradation	Course halftoning
Resolution	Fine halftoning
ErrorDiffusion	Very fine halftoning

The following table is valid for the imagePRESS C800 / C850 Series:

@SourceObjects	Description
All (default)	@ScreeningFamily applies to all objects.
ImagePhotographic ImageScreenShot SmoothShades LineArt	@ScreeningFamily applies to all objects except text. Always use any of these values in combination with @ScreeningFamily with @SourceObjects="Text".
Text	@ScreeningFamily applies to text.

@SourceObjects

Description

All (default)

@ScreeningFamily applies to all objects.

ImagePhotographic

ImageScreenShot

SmoothShades

LineArt

@ScreeningFamily applies to all objects except text. Always use any of these values in combination with @ScreeningFamily with @SourceObjects="Text".

Text

@ScreeningFamily applies to text.

The following table is only valid for the imagePRESS C10000VP Series:

@SourceObjects	Description
LineArt	@ScreeningFamily applies to graphics. Graphics are vector images.
ImagePhotographic ImageScreenShot SmoothShades	@ScreeningFamily applies to images. Images are bitmap images.
Text	@ScreeningFamily applies to text.

@SourceObjects

Description

LineArt

@ScreeningFamily applies to graphics. Graphics are vector images.

ImagePhotographic

ImageScreenShot

SmoothShades

@ScreeningFamily applies to images. Images are bitmap images.

Text

@ScreeningFamily applies to text.

Example: job with ErrorDiffusion for text and Gradation for the rest (images, graphics, …)

<JDF Types="... Screening ..." ...>
    <ResourcePool>
        <ScreeningParams Class="Parameter" ID="ScreenID" Status="Incomplete">
            <ScreenSelector ScreeningFamily="Gradation" SourceObjects="ImagePhotographic ImageScreenShot LineArt SmoothShades" />
            <ScreenSelector ScreeningFamily="ErrorDiffusion" SourceObjects="Text" />
        </ScreeningParams>
    </ResourcePool>
    <ResourceLinkPool>
        <ScreeningParamsLink rRef="ScreenID" Usage="Usage" CombinedProcessIndex="index into Types for Screening" />
    </ResourceLinkPool>
</JDF>

Example: job with Gradation for all objects ("All" is default)

<JDF Types="... Screening ..." ...>
    <ResourcePool>
        <ScreeningParams Class="Parameter" ID="ScreenID" Status="Incomplete">
            <ScreenSelector ScreeningFamily="Gradation" />
        </ScreeningParams>
    </ResourcePool>
    <ResourceLinkPool>
        <ScreeningParamsLink rRef="ScreenID" Usage="Usage" CombinedProcessIndex="index into Types for Screening" />
    </ResourceLinkPool>
</JDF>

Advanced search

Screening

Halftoning - screening family

Example: job with ErrorDiffusion for text and Gradation for the rest (images, graphics, …)

Example: job with Gradation for all objects ("All" is default)